Memories that have deteriorated due to age, or that were heavily manipulated or tampered with to alter perspectives such as Slughorn's , may appear thick and jelly-like and offer obscured viewing. Covered in mystic runes, it contains memories whose physical form is neither gas nor liquid.

I shall be joining you there soon. Arithmancy Classroom. To be destroyed, a Horcrux must suffer damage so severe that repair through magical means would be impossible.

Rowling and cast of Fantastic Beasts: The pieces are magically animated, and they violently attack each other when performing a capture, by knocking the captured piece out and dragging it off the board. Dumbledore returned the Cloak to Harry several years later as a Christmas present during his first year at Hogwarts.